The car-sized Curiosity rover has spotted evidence of once quite hospitable environs on Mars.

From river deltas to ancient lakes, this video explores the formation of these features and the story they tell about the planet's past. Learn how NASA's Perseverance rover is uncovering these ...

NASA Administrator Bill Nelson left a final decision on a new mission architecture to the next NASA administrator working under the incoming Trump administration. President-elect Donald Trump ...

NASA proposes a faster, cheaper plan to bring Mars samples to Earth, aiming for delivery by the 2030s while cutting costs ...

A study in Science by researchers from the University of Massachusetts Amherst and University of Cincinnati has mapped 35 years of river changes on a global scale for the first time. The work has ...

with more to come in NASA's high-priority search for signs of ancient, microscopic Martian life. Scientists want to analyze the samples from the red planet's long-dry river delta in labs on Earth.

with more to come in NASA's high-priority search for signs of ancient, microscopic Martian life. Scientists want to analyze the samples from the red planet's long-dry river delta in labs on Earth.